



'''simple docstring'''

def 				a  (     UpperCamelCase_    :    str      ,					UpperCamelCase_    :    int			)       ->	list[str]:
		return [sentence[i : i + ngram_size] for i in range(len(UpperCamelCase_			) - ngram_size + 1			)]


if __name__ == "__main__":
			from doctest import testmod

			testmod()









'''simple docstring'''

import json
from typing import List, Optional, Tuple

from tokenizers import pre_tokenizers, processors

from ...tokenization_utils_base import AddedToken, BatchEncoding
from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import logging
from .tokenization_bart import BartTokenizer


SCREAMING_SNAKE_CASE__     :						List[str]	=  logging.get_logger(__name__)


SCREAMING_SNAKE_CASE__     :						Optional[Any]	=  {'''vocab_file''': '''vocab.json''', '''merges_file''': '''merges.txt''', '''tokenizer_file''': '''tokenizer.json'''}

# See all BART models at https://huggingface.co/models?filter=bart
SCREAMING_SNAKE_CASE__     :						Dict	=  {
    '''vocab_file''': {
        '''facebook/bart-base''': '''https://huggingface.co/facebook/bart-base/resolve/main/vocab.json''',
        '''facebook/bart-large''': '''https://huggingface.co/facebook/bart-large/resolve/main/vocab.json''',
        '''facebook/bart-large-mnli''': '''https://huggingface.co/facebook/bart-large-mnli/resolve/main/vocab.json''',
        '''facebook/bart-large-cnn''': '''https://huggingface.co/facebook/bart-large-cnn/resolve/main/vocab.json''',
        '''facebook/bart-large-xsum''': '''https://huggingface.co/facebook/bart-large-xsum/resolve/main/vocab.json''',
        '''yjernite/bart_eli5''': '''https://huggingface.co/yjernite/bart_eli5/resolve/main/vocab.json''',
    },
    '''merges_file''': {
        '''facebook/bart-base''': '''https://huggingface.co/facebook/bart-base/resolve/main/merges.txt''',
        '''facebook/bart-large''': '''https://huggingface.co/facebook/bart-large/resolve/main/merges.txt''',
        '''facebook/bart-large-mnli''': '''https://huggingface.co/facebook/bart-large-mnli/resolve/main/merges.txt''',
        '''facebook/bart-large-cnn''': '''https://huggingface.co/facebook/bart-large-cnn/resolve/main/merges.txt''',
        '''facebook/bart-large-xsum''': '''https://huggingface.co/facebook/bart-large-xsum/resolve/main/merges.txt''',
        '''yjernite/bart_eli5''': '''https://huggingface.co/yjernite/bart_eli5/resolve/main/merges.txt''',
    },
    '''tokenizer_file''': {
        '''facebook/bart-base''': '''https://huggingface.co/facebook/bart-base/resolve/main/tokenizer.json''',
        '''facebook/bart-large''': '''https://huggingface.co/facebook/bart-large/resolve/main/tokenizer.json''',
        '''facebook/bart-large-mnli''': '''https://huggingface.co/facebook/bart-large-mnli/resolve/main/tokenizer.json''',
        '''facebook/bart-large-cnn''': '''https://huggingface.co/facebook/bart-large-cnn/resolve/main/tokenizer.json''',
        '''facebook/bart-large-xsum''': '''https://huggingface.co/facebook/bart-large-xsum/resolve/main/tokenizer.json''',
        '''yjernite/bart_eli5''': '''https://huggingface.co/yjernite/bart_eli5/resolve/main/tokenizer.json''',
    },
}

SCREAMING_SNAKE_CASE__     :						Optional[int]	=  {
    '''facebook/bart-base''': 1_0_2_4,
    '''facebook/bart-large''': 1_0_2_4,
    '''facebook/bart-large-mnli''': 1_0_2_4,
    '''facebook/bart-large-cnn''': 1_0_2_4,
    '''facebook/bart-large-xsum''': 1_0_2_4,
    '''yjernite/bart_eli5''': 1_0_2_4,
}

class 							a__( snake_case__     ):
			a_	: Dict									=      VOCAB_FILES_NAMES
			a_	: Tuple									=      PRETRAINED_VOCAB_FILES_MAP
			a_	: Tuple									=      PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
			a_	: List[Any]									=      ['''input_ids''', '''attention_mask''']
			a_	: Union[str, Any]									=      BartTokenizer






			def __init__(     self					,   _UpperCAmelCase=None					,   _UpperCAmelCase=None					,   _UpperCAmelCase=None					,   _UpperCAmelCase="replace"					,   _UpperCAmelCase="<s>"					,   _UpperCAmelCase="</s>"					,   _UpperCAmelCase="</s>"					,   _UpperCAmelCase="<s>"					,   _UpperCAmelCase="<unk>"					,   _UpperCAmelCase="<pad>"					,   _UpperCAmelCase="<mask>"					,   _UpperCAmelCase=False					,   _UpperCAmelCase=True					,   **_UpperCAmelCase					,   )							->							int:
					super().__init__(
					    _UpperCAmelCase					,   _UpperCAmelCase					,   tokenizer_file=_UpperCAmelCase					,   errors=_UpperCAmelCase					,   bos_token=_UpperCAmelCase					,   eos_token=_UpperCAmelCase					,   sep_token=_UpperCAmelCase					,   cls_token=_UpperCAmelCase					,   unk_token=_UpperCAmelCase					,   pad_token=_UpperCAmelCase					,   mask_token=_UpperCAmelCase					,   add_prefix_space=_UpperCAmelCase					,   trim_offsets=_UpperCAmelCase					,   **_UpperCAmelCase					,   )

					snake_case__	     =json.loads(self.backend_tokenizer.pre_tokenizer.__getstate__()						)
					if pre_tok_state.get('add_prefix_space'					,   _UpperCAmelCase						) != add_prefix_space:
							snake_case__	     =getattr(_UpperCAmelCase					,   pre_tok_state.pop('type'						)						)
							snake_case__	     =add_prefix_space
							snake_case__	     =pre_tok_class(**_UpperCAmelCase						)

					snake_case__	     =add_prefix_space

					# the pre_tokenizer is already updated in the GPT2TokenizerFast `__init__`
					snake_case__	     ='post_processor'
					snake_case__	     =getattr(self.backend_tokenizer					,   _UpperCAmelCase					,   _UpperCAmelCase						)
					if tokenizer_component_instance:
							snake_case__	     =json.loads(tokenizer_component_instance.__getstate__()						)

							# The lists 'sep' and 'cls' must be cased in tuples for the object `post_processor_class`
							if "sep" in state:
									snake_case__	     =tuple(state['sep']						)
							if "cls" in state:
									snake_case__	     =tuple(state['cls']						)

							snake_case__	     =False

							if state.get('add_prefix_space'					,   _UpperCAmelCase						) != add_prefix_space:
									snake_case__	     =add_prefix_space
									snake_case__	     =True

							if state.get('trim_offsets'					,   _UpperCAmelCase						) != trim_offsets:
									snake_case__	     =trim_offsets
									snake_case__	     =True

							if changes_to_apply:
									snake_case__	     =getattr(_UpperCAmelCase					,   state.pop('type'						)						)
									snake_case__	     =component_class(**_UpperCAmelCase						)
									setattr(self.backend_tokenizer					,   _UpperCAmelCase					,   _UpperCAmelCase						)






			@property
			def 						_lowercase  (     self						)							->							str:
					if self._mask_token is None:
							if self.verbose:
									logger.error('Using mask_token, but it is not set yet.'						)
							return None
					return str(self._mask_token						)






			@mask_token.setter
			def 						_lowercase  (     self					,   _UpperCAmelCase						)							->							int:
					snake_case__	     =AddedToken(_UpperCAmelCase					,   lstrip=_UpperCAmelCase					,   rstrip=_UpperCAmelCase						) if isinstance(_UpperCAmelCase					,   _UpperCAmelCase						) else value
					snake_case__	     =value






			def 						_lowercase  (     self					,   *_UpperCAmelCase					,   **_UpperCAmelCase						)							->							BatchEncoding:
					snake_case__	     =kwargs.get('is_split_into_words'					,   _UpperCAmelCase						)

					if is_split_into_words and not self.add_prefix_space:
							raise ValueError(
							    f"""You need to instantiate {self.__class__.__name__} with add_prefix_space=True """
							    'to use it with pretokenized inputs.'						)

					return super()._batch_encode_plus(*_UpperCAmelCase					,   **_UpperCAmelCase						)






			def 						_lowercase  (     self					,   *_UpperCAmelCase					,   **_UpperCAmelCase						)							->							BatchEncoding:
					snake_case__	     =kwargs.get('is_split_into_words'					,   _UpperCAmelCase						)

					if is_split_into_words and not self.add_prefix_space:
							raise ValueError(
							    f"""You need to instantiate {self.__class__.__name__} with add_prefix_space=True """
							    'to use it with pretokenized inputs.'						)

					return super()._encode_plus(*_UpperCAmelCase					,   **_UpperCAmelCase						)






			def 						_lowercase  (     self					,   _UpperCAmelCase					,   _UpperCAmelCase = None						)							->							Tuple[str]:
					snake_case__	     =self._tokenizer.model.save(_UpperCAmelCase					,   name=_UpperCAmelCase						)
					return tuple(_UpperCAmelCase						)






			def 						_lowercase  (     self					,   _UpperCAmelCase					,   _UpperCAmelCase=None						)							->							Optional[int]:
					snake_case__	     =[self.bos_token_id] + token_ids_a + [self.eos_token_id]
					if token_ids_a is None:
							return output

					return output + [self.eos_token_id] + token_ids_a + [self.eos_token_id]






			def 						_lowercase  (     self					,   _UpperCAmelCase					,   _UpperCAmelCase = None						)							->							List[int]:
					snake_case__	     =[self.sep_token_id]
					snake_case__	     =[self.cls_token_id]

					if token_ids_a is None:
							return len(cls + token_ids_a + sep						) * [0]
					return len(cls + token_ids_a + sep + sep + token_ids_a + sep						) * [0]




